1.

A (2a-b)-b^2 by middle term

Answer»

EXPLANATION:

A(2a-B)-b^2

2a^2-AB-b^2

2a^2+(2-1)ab -b^2

2a^2+2ab - ab - b^2

2a(a+b)-b (a+b)

(a+b)(2a-b). ANS



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